推出会员卡，持有者九折优惠的翻译：Launch membership cards, holds a 90 percent discount 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Launched a membership card holders a 10% discount on

Launch membership cards, holds a 90 percent discount

Promotes the membership card, the holder nine folds the preferential benefit

With your membership card, the holder 9 10% discount

Launch membership cards, holds a 90 percent discount